-- GET_MATERIAL_RANK
-- 根据阶位获取炼金材料
-------------------------------

-- @param rank
return function(rank)
    rank = math.min(rank, 6);

    -- 材料列表
    local mater = {
        {1102, 1103},
        {1102, 1103, 1104, 1105},
        {1104, 1105},
        {1104, 1105, 1106, 1107},
        {1106, 1107},
        {1108, 1109},
            };

    return mater[rank];
end